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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2007-04-28 23:03:59 -0700
committerDavid S. Miller <davem@davemloft.net>2007-04-28 23:03:59 -0700
commit04b090d50c88ac8e5ec9c2e985bb65bd153893aa (patch)
tree065b815f238796bcd5523c8620d9166ad9b573f2 /include/linux/skbuff.h
parentd0772b70faaf8e9f2013b6c4273d94d5eac8047a (diff)
[AF_IUCV/IUCV]: smp_call_function deadlock
Calling smp_call_function can lead to a deadlock if it is called from tasklet context. Fixing this deadlock requires to move the smp_call_function from the tasklet context to a work queue. To do that queue the path pending interrupts to a separate list and move the path cleanup out of iucv_path_sever to iucv_path_connect and iucv_path_pending. This creates a new requirement for iucv_path_connect: it may not be called from tasklet context anymore. Also fixed compile problem for CONFIG_HOTPLUG_CPU=n and another one when walking the cpu_online mask. When doing this, we must disable cpu hotplug. Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
0 files changed, 0 insertions, 0 deletions